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  1. R

    MEP-005 Fuel Injection Pump

    Thanks as always Guy... This machine drives me crazy. It looked like oil was dripping steady from that corner on the pan.... Went back later and started it up and no leak?? I see a little bit around the dipstick tube, so I guess I'll just keep an eye on it. Everything else seems pretty good...
  2. R

    MEP-005 Fuel Injection Pump

    Well, not sure what I did but I threw the whole thing back together again, putting a pressure gage in the plugged port on the bottom of the vane pump end cap. Tried to test for pressure and noticed nothing on gage but after several attempts at cranking I heard a slight sputter to the engine...
  3. R

    MEP-005 Fuel Injection Pump

    Hello Guy, well.... decided to get back to fixing the 005 this week. I pulled off the IP and first found the inner shaft seal was folded over allowing fuel to leak into the oil pan. I went through the pump again and didn't really find anything out of order, so reassembled and installed it. I'm...
  4. R

    MEP-005 Fuel Injection Pump

    Well, back to working on this 005 again and looking for some guidance. I had it running fine after rebuilding the IP. I started it the other day and it ran for about 5 seconds and shut off. While troubleshooting it I'm noticing a few odd things. 1) At first it seemed no fuel was flowing from...
  5. R

    MEP-005 Fuel Injection Pump

    Finally got around to messing with this thing again yesterday. I took the top cover off and got the governor spring out of the way so I could poke at the governor assy. to ensure it was free and not bound up somehow. Reassembled and confirmed that I could control the engine speed using the...
  6. R

    MEP-005 Fuel Injection Pump

    Good advise Guy.... wish I read it before I installed it! I put it in yesterday and it runs! but I've got 2 issues to contend with. There is a very big fuel leak when running ( possibly an injector line seal as you mentioned ( I didn't know they only go in 1 direction ) The good news is that I...
  7. R

    MEP-005 Fuel Injection Pump

    Well, the pump is rebuilt. Made a few mistakes along the way that caused me to have to back up a couple steps, fix, then continue. But all in all it was pretty easy. As soon as I get time I'll reinstall and see if she will fire up!. The stuck plungers were without a doubt the reason it wasn't...
  8. R

    MEP-005 Fuel Injection Pump

    So what I found is that the weight basket is a newer "1-piece" replacement, not the original with the flexible ring riveted on the back. So more evidence that someone has been in there before. The plungers were stuck tight in the head. It took 2 days of soaking in carb clean and 140 psi. of air...
  9. R

    MEP-005 Fuel Injection Pump

    Ok folks... I made good progress last night and now I have a couple questions for the experts... First off, I took the pump apart and as I got closer to the piston head and rollers started to see more and more burnt fuel "Gunk" The head is covered in what you normally find inside an old...
  10. R

    MEP-005 Fuel Injection Pump

    Well, the IP is out of the machine and I've been looking over the -34TM in preparation to rebuild it. Before I removed the IP I took the transfer pump end cap off again and I think someone may have been in there at some point a possibly damaged the end cap and thrust plate slightly. There is a...
  11. R

    MEP-005 Fuel Injection Pump

    Hi Guyfang. I'll try checking that before I remove it, but I'm pretty confident this gen was functional up until the day it was prepped and turned in. If it was 180 out, wouldn't it still pump fuel, just 180 out of time? I'm not getting any fuel out of the injector lines ( although I'm only...
  12. R

    MEP-005 Fuel Injection Pump

    Well Guyfang, Looks like I'll probably be rebuilding the pump at some point. I did more checking this weekend and still no smoking gun as to why I'm not getting fuel pressure. I removed the rear cover and everything was good. Vanes all look good and the shaft turns fine. The fuel inlet is fine...
  13. R

    MEP-005 Fuel Injection Pump

    That's pretty much what I was thinking for next steps, check vane pump and verify shaft spins while I'm in there. I have a steady flow of fuel from the line, but from the window I doubt it, because it seemed to take almost 2 days for the pump body to refill after I drained it. However that was...
  14. R

    MEP-005 Fuel Injection Pump

    Well, here is where I'm at. I double checked everything under the top cover and reassembled. Took out the strainer on the fuel inlet and it was perfectly clean. checked the check valve on the fuel return also perfect. retested the fuel shut off solenoid and confirmed I can feel it hitting...
  15. R

    MEP-005 Fuel Injection Pump

    Hi Guy, no worries, hope you are feeling better! I played with it for a few minutes yesterday and found that the throttle linkage was not actually "Frozen" but rather immobilized because the knurled cap ( used for sensitivity adjustment? ) was screwed all the way in. After backing the cap out...
  16. R

    MEP-005 Fuel Injection Pump

    So tonight I had a few minutes to poke around on youtube and found a video of a guy rebuilding one of these pumps. It looks like for starters I have a throttle shaft problem. The plates with the high / low idle screws in it as well as the "Hook" inside the pump appear as if they should be moving...
  17. R

    MEP-005 Fuel Injection Pump

    Hello Guy, I received the penta lobe bits today and got the cover off the IP. the fuel solenoid and the control lever all seems to be working fine. What does not appear to be working correctly is the throttle lever and linkages. From the inside of the IP, the governor rod assembly and the...
  18. R

    MEP-005 Fuel Injection Pump

    The IP looks pretty old, stained and original, but anything is possible. I tried to take it apart after work today but struck out... They aren't tamper resistant Torx, turns out they are Pentalobe security bolts, 5 point ( not 6 point torx ) with center pin, so I just ordered a bit set, so...
  19. R

    MEP-005 Fuel Injection Pump

    Got it. I was able to check the solenoid last night ( in between dodging thunder storms ) and I'm getting 24V on the 2 wires. So opening up the IP cover is my next step. Looks like it has tamper resistant torx screws but I have a set somewhere! Thanks again!
  20. R

    MEP-005 Fuel Injection Pump

    Thank you Guy, yes that's what I have. The lever is not wired up at all, so I'll take care of that. First I'm going to test the solenoid, if that seems ok I'll take off the cover and see if everything inside is moving freely and l'll clean the check valve while I'm in there. Might be a week or...
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